Real estate is land and assets attached to land are utilized in many ways, such as agriculture, residential housing, in particular, housing is one of the important factors of life and It is associated with an increasing number of people, that is to say, as more people increase their demand for housing Therefore created a business in the form of real estate business It is the allocation of housing in the business, which was originally a small business because people in the past still prefer to build houses by themselves. Later, the acquisition of land for building houses and construction costs were so high that sometimes they could not operate by themselves, thus creating a channel for housing development business, called housing estate business. Later, as the country developed in many ways, it was incorporated into more prosperous areas, resulting in increased demand for housing as well. Due to the movement of the population in the country to the city, the housing business has developed a new model to create a condominium to meet the demand for housing. Or large buildings for establishments As a result, the real estate business expanded rapidly and became a large business. That is important to the Thai economy because business can create economic continuity such as employment and trading of construction materials etc. etc.